| 释义 |
〔pitch〕To oscillate about a lateral axis that is both perpendicular to the longitudinal axis and horizontal to the earth. Used of a missile or spacecraft.偏航:绕航线轴晃动,或是与纬线垂直或是与地面水平。用于导弹或宇宙飞船〔hydrogeology〕The branch of geology that deals with the occurrence, distribution, and effect of ground water.水文学:地理学的一个分支,研究地面水的出现、分布以及作用 |